{"id":"vidhyamitra:city-day:thane:1981-11-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1981-11-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-11-30","date_display":"November 30, 1981 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":11,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444938.770833,"kali_year":5083,"ahargana":1856473.2708,"sun":{"sidereal_longitude":223.6821,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":264.1379,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.4558,"elapsed_within_tithi_degrees":4.4558},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.1379,"elapsed_within_degrees":10.8046},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":127.82},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1981,"month":11,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444938.770833,"ahargana":1856473.2708,"kali_year":5083,"ayanamsa_lahiri":23.6003,"grahas":{"sun":{"sidereal_longitude":224.146617,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":261.3903170000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":0.8558},"mars":{"sidereal_longitude":148.748017,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":218.43171699999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":187.375717,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":269.961317,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":175.15751699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":95.1121,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":275.1121,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":11,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444938.770833,"kali_year":5083,"ahargana":1856473.2708,"sun":{"sidereal_longitude":223.6821,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":264.1379,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":40.4558,"elapsed_within_tithi_degrees":4.4558},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.1379,"elapsed_within_degrees":10.8046},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":127.82},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.856,"elongation":40.456},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.856,"opposition_distance":139.544}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:55","sunsetLocal":"18:00","solarNoonLocal":"12:28","dayLengthHours":11.06986991308606,"dayLengthDisplay":"11 Hours 04 Mins 12 Secs","nightLengthDisplay":"12 Hours 55 Mins 48 Secs","moonriseLocal":"09:27","moonsetLocal":"20:26","rahuKala":{"name":"Rāhu Kāla","start":"08:19","end":"09:42","startHours":8.30851610587375,"endHours":9.692249845009506,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:05","end":"12:28","startHours":11.075983584145265,"endHours":12.459717323281023,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:51","end":"15:14","startHours":13.84345106241678,"endHours":15.227184801552538,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:53","startHours":9.507752013124739,"endHours":9.876747676894274,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:41","startHours":7.386026946449911,"endHours":7.681223477465539,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:50","startHours":12.090721659511487,"endHours":12.828712987050558,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:11","startHours":5.44879971165985,"endHours":6.186791039198921,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:55","startHours":6.002293207314153,"endHours":6.9247823667379915,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:03","startHours":14.3046956421287,"endHours":15.04268696966777,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.794652279824053,"endHours":18.19465227982405,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:27","startHours":17.994652279824052,"endHours":18.455896859535972,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.744652279824052,"endHours":19.494652279824052,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:50","startHours":24.090721659511487,"endHours":24.828712987050558,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:55","end":"08:19","startHours":6.9247823667379915,"endHours":8.30851610587375,"quality":"auspicious"},{"name":"Kāla","start":"08:19","end":"09:42","startHours":8.30851610587375,"endHours":9.692249845009506,"quality":"inauspicious"},{"name":"Śubha","start":"09:42","end":"11:05","startHours":9.692249845009506,"endHours":11.075983584145265,"quality":"auspicious"},{"name":"Roga","start":"11:05","end":"12:28","startHours":11.075983584145265,"endHours":12.459717323281023,"quality":"inauspicious"},{"name":"Udveg","start":"12:28","end":"13:51","startHours":12.459717323281023,"endHours":13.84345106241678,"quality":"inauspicious"},{"name":"Chala","start":"13:51","end":"15:14","startHours":13.84345106241678,"endHours":15.227184801552538,"quality":"neutral"},{"name":"Labha","start":"15:14","end":"16:37","startHours":15.227184801552538,"endHours":16.610918540688296,"quality":"auspicious"},{"name":"Amṛta","start":"16:37","end":"18:00","startHours":16.610918540688296,"endHours":17.994652279824052,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:00","end":"19:37","startHours":17.994652279824052,"endHours":19.610918540688296,"quality":"neutral"},{"name":"Labha","start":"19:37","end":"21:14","startHours":19.610918540688296,"endHours":21.227184801552536,"quality":"auspicious"},{"name":"Amṛta","start":"21:14","end":"22:51","startHours":21.227184801552536,"endHours":22.84345106241678,"quality":"auspicious"},{"name":"Kāla","start":"22:51","end":"00:28","startHours":22.84345106241678,"endHours":24.459717323281023,"quality":"inauspicious"},{"name":"Śubha","start":"00:28","end":"02:05","startHours":24.459717323281023,"endHours":26.075983584145263,"quality":"auspicious"},{"name":"Roga","start":"02:05","end":"03:42","startHours":26.075983584145263,"endHours":27.692249845009506,"quality":"inauspicious"},{"name":"Udveg","start":"03:42","end":"05:19","startHours":27.692249845009506,"endHours":29.30851610587375,"quality":"inauspicious"},{"name":"Chala","start":"05:19","end":"06:55","startHours":29.30851610587375,"endHours":30.924782366737993,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.9247823667379915,"endHours":7.9247823667379915,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.9247823667379915,"endHours":8.924782366737992,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.924782366737992,"endHours":9.924782366737992,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.924782366737992,"endHours":10.924782366737992,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.924782366737992,"endHours":11.924782366737992,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.924782366737992,"endHours":12.924782366737992,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.924782366737992,"endHours":13.924782366737992,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.924782366737992,"endHours":14.924782366737992,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.924782366737992,"endHours":15.924782366737992,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.924782366737992,"endHours":16.924782366737993,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.924782366737993,"endHours":17.924782366737993,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.924782366737993,"endHours":18.924782366737993,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.924782366737993,"endHours":19.924782366737993,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.924782366737993,"endHours":20.924782366737993,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.924782366737993,"endHours":21.924782366737993,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.924782366737993,"endHours":22.924782366737993,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.924782366737993,"endHours":23.924782366737993,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.924782366737993,"endHours":24.924782366737993,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.924782366737993,"endHours":25.924782366737993,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.924782366737993,"endHours":26.924782366737993,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.924782366737993,"endHours":27.924782366737993,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.924782366737993,"endHours":28.924782366737993,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.924782366737993,"endHours":29.924782366737993,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.924782366737993,"endHours":30.924782366737993,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.59906614993989,"eotMinutes":10.504560603138582,"ayanamsa":23.6003}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturthī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga November 30, 1981 CE · Thane, Maharashtra · Vidhyamitra","description":"November 30, 1981 CE for Thane, Maharashtra: Śukla Caturthī, sūryodaya 06:55, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1981-11-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1981-11-30","sa":"https://sa.vidhyamitra.com/city/thane/1981-11-30","hi":"https://hi.vidhyamitra.com/city/thane/1981-11-30","x-default":"https://vidhyamitra.com/city/thane/1981-11-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T06:20:50.988Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-18T06:20:50.989Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T06:20:50.989Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}